<template>
  <el-card class="box-card">
    <div slot="header" class="clearfix">
      <span>重置密码</span>
    </div>
    <!-- 表单 -->
    <el-form :model="pwdForm" :rules="pwdFormRules" ref="pwdFormRef" label-width="100px">
      <el-form-item label="原密码" prop="old_pwd">
        <el-input v-model="pwdForm.old_pwd" type="password"></el-input>
      </el-form-item>
      <el-form-item label="新密码" prop="new_pwd">
        <el-input v-model="pwdForm.new_pwd" type="password"></el-input>
      </el-form-item>
      <el-form-item label="确认新密码" prop="re_pwd">
        <el-input v-model="pwdForm.re_pwd" type="password"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="hSubmit">修改密码</el-button>
        <el-button @click="$refs.pwdFormRef.resetFields()">重置</el-button>
      </el-form-item>
    </el-form>
  </el-card>
</template>

<script>
export default {
  name: 'UserPwd',
  data() {
    // 参数1：rule 规则对象。  没用
    // 参数2：value  当前校验项的值
    // 参数3：callback 是否通过校验，callback（）表示通过 ， callback（new Error（）） 表示不通过
    const checkNewPwd = (rule, value, callback) => {
      if (value === this.pwdForm.old_pwd) {
        callback(new Error('新密码不能与旧密码相同!'))
      } else if (value !== this.pwdForm.re_pwd) {
        callback(new Error('两次输入新密码不一致!'))
      } else {
        callback()
      }
    }
    const checkNewPwd2 = (rule, value, callback) => {
      if (value !== this.pwdForm.new_pwd) {
        callback(new Error('两次输入新密码不一致!'))
      } else {
        callback()
      }
    }
    return {
      // 表单的数据对象
      pwdForm: {
        old_pwd: '',
        new_pwd: '',
        re_pwd: ''
      },
      // 表单的验证规则对象
      pwdFormRules: {
        old_pwd: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '请输入6~15位非空字符', trigger: 'blur' }
        ],
        new_pwd: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '请输入6~15位非空字符', trigger: 'blur' },
          // 检测新旧密码是否相同，相同不允许
          { validator: checkNewPwd, trigger: 'blur' }

        ],
        re_pwd: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '请输入6~15位非空字符', trigger: 'blur' },
          { validator: checkNewPwd2, trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    async  hSubmit() {
      // 1.兜底校验
      // 2.发请求
      // 3.提醒用户
      // 4.清空表单
      // 5.重新登陆
      const { data: res } = await this.$axios.patch('/my/updatepwd', this.pwdForm)
      if (res.code !== 0) return this.$message.error(res.message)
      this.$message.success(res.message)
      this.$refs.pwdFormRef.resetFields = ''
      this.$router.push('/login')
    }
  }
}
</script>

<style lang="less" scoped>
.el-form {
  width: 500px;
}
</style>
